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We protect human health and the quality of Idaho's air, land, and water.

Recent News

Applicants sought for the National Water Quality Initiative

January 15, 2026 | News Releases

TWIN FALLS – The Natural Resources Conservation Service (NRCS) is seeking applicants in the Middle Snake River region for National Water Quality Initiative (NWQI) funding.

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DEQ awards nearly $25,000 to Swan Shores II Homeowner’s Association

January 2, 2026 | News Releases, Planning Grant

BOISE – The Idaho Department of Environmental Quality (DEQ) today announced the award of a $24,780 drinking water planning grant to Swan Shores II Homeowner’s Association (HOA) in Bonner County, Idaho…

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DEQ issues memorandum for current and new IPDES Multi-Sector General Permit operators

December 30, 2025 | News Releases

BOISE – The Idaho Department of Environmental Quality (DEQ) issued a memorandum offering administrative continuance for current Idaho Pollution Discharge Elimination System (IPDES) Multi-Sector Genera…

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DEQ awards Payette Lakes Recreational Water and Sewer District $4,186,255 million in legislative supplemental funding 

December 23, 2025 | Construction Grant, News Releases

BOISE – The Idaho Department of Environmental Quality (DEQ) today announced the award of $4,186,255 in legislative supplemental funding to the Payette Lakes Recreational Water and Sewer District in Va…

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Did You Know?

Some contaminants are regulated under the Safe Drinking Water Act, while others are unregulated. More information on both regulated and unregulated contaminants can be found on DEQ’s Contaminants in Drinking Water page.
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